CN107167274B - The outer power measurement arrangement of engine - Google Patents
The outer power measurement arrangement of engine Download PDFInfo
- Publication number
- CN107167274B CN107167274B CN201710507278.1A CN201710507278A CN107167274B CN 107167274 B CN107167274 B CN 107167274B CN 201710507278 A CN201710507278 A CN 201710507278A CN 107167274 B CN107167274 B CN 107167274B
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- engine
- survey
- axis
- support frame
- power measurement
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/24—Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
- G01L25/003—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency for measuring torque
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/14—Testing gas-turbine engines or jet-propulsion engines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Testing Of Engines (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses power measurement arrangements outside a kind of engine, it include: for installing stationary engine and the air intake duct of the engine after fixing and output shaft being made to be located at the mounting bracket on same level straight line, system is turned round in the survey that the lower section of mounting bracket is equipped with the output torque for measuring engine, component is turned round in the survey for surveying the output torque size that the turning moment generated when torsion system includes: according to engine operation measures engine, torsion component is surveyed to be connected with for the turning moment in mounting bracket to be transferred to the force transfer bracket surveyed and turned round on component, force transfer bracket is connected with the bottom end of mounting bracket.In the outer power measurement arrangement of engine of the invention, will not the air inlet of engine be had an impact by surveying torsion system, without designing inclination and the longer air intake duct of length upwards, so there is no need to the front ends in air intake duct to add the support frame for supporting air intake duct, therefore there is no the fixed difficult technical problems of support frame installation, and the outer measurement of power apparatus structure of engine of the invention is simple.
Description
Technical field
The present invention relates to turbo oar engine fields, particularly, are related to a kind of outer power measurement arrangement of engine.
Background technique
Power measurement arrangement can only measure the pressure of output torque in certain type turbo oar engine, can not accurately measure output torque
Size, and then the output power of engine can not be calculated, so outer power measurement arrangement need to be used to measure engine output torque
Size to obtain the output power of engine.
In the prior art, the outer power measurement arrangement of airscrew engine generally uses reel cage formula platform system, such as attached drawing Fig. 1 institute
Show comprising reel cage 1 and the bracket 2 for installing reel cage 1, wherein reel cage 1 includes the mounting rack for installing stationary engine
11, the reel cage being connected with mounting rack 11, which is surveyed to turn round axis 12 and be installed in reel cage, surveys the torque sensor turned round on axis 12, is sent out by measurement
The torque that reel cage 1 is generated when motivation works, to calculate the output power of engine.
Because engine is pusher engine, propeller is at the rear of exhaust section, therefore reel cage 1 is located at engine front, dress
If structure after is as shown in attached drawing Fig. 1, and reel cage, which is surveyed, turns round the output shaft of axis 12 and engine point-blank, engine inlets
Also point-blank with output shaft, be the air inlet for avoiding reel cage 1 from influencing engine when installation, need to design one upwards inclination and
Longer air intake duct 3, air intake duct 3 need guiding through reel cage 1 when installing, and cause the installation of air intake duct 3 very difficult；On the other hand, progress
Air flue 3 need to install additional in front end and be used to support the support frame (not shown) of air intake duct 3, and not only support frame installation is fixed difficult, support
Frame and air intake duct 3 are fixed difficult, while also making reel cage formula platform system structure is complicated.
Summary of the invention
The present invention provides power measurement arrangements outside a kind of engine, to solve the peace of air intake duct existing for existing outer power measurement arrangement
Dress is difficult, need to install support frame additional and the fixed difficulty of support frame installation, support frame and the fixed difficult and device overall structure of air intake duct
Complicated technical problem.
The technical solution adopted by the invention is as follows:
A kind of outer power measurement arrangement of engine, for measuring the output torque of engine, the outer power measurement arrangement of engine includes: use
The air intake duct and output shaft of engine in installation stationary engine and after making to fix are located at the installation branch on same level straight line
System is turned round in frame, the survey that the lower section of mounting bracket is equipped with the output torque for measuring engine, and surveying torsion system includes: that basis is started
Component is turned round in the survey that the turning moment that machine generates when working measures the output torque size of engine, and survey torsion component, which is connected with, to be used for
Turning moment in mounting bracket is transferred to the force transfer bracket surveyed and turned round on component, the bottom end phase of force transfer bracket and mounting bracket
Even.
Further, surveying torsion system further includes that the support stand of torsion component is surveyed for installing bearing, the fixed branch of support stand
It holds on work top；Surveying and turning round component includes that axis, force transfer bracket are turned round in survey that is horizontally disposed and reversing under the action of turning moment
It is fixedly connected on survey to turn round on axis, surveys one end rotating support for turning round axis on support stand, survey the other end being oppositely arranged for turning round axis
End be fixedly connected it is with good grounds survey turn round axis torsion angle measure torsion axis torque value twist counter, twist counter is fixedly connected on
On support stand.
Further, mounting bracket includes the support frame for horizontal stationary engine, and support frame is connected with and force transfer bracket phase
Attachment base even, the output shaft and air intake duct level for the engine being fixed in support frame are arranged on attachment base.
Further, mounting bracket further includes being set between attachment base and support frame so that support frame and attachment base are rigidly connected
More struts；One end of each strut is fixedly connected with support frame, and another opposite end of each strut and attachment base are hinged.
Further, support frame is framed, and engine level is arranged in support frame, and engine passes through on its support case
Multiple installation sections be fixedly connected with support frame.
Further, attachment base include two it is opposite be arranged in parallel and the rectangular triangle frame of triangular shape, two triangle frames
Three apex angles between be respectively provided with connecting rod for both connecting；Another opposite end of each strut is articulated with attachment base towards support frame
Wall surface on.
Further, force transfer bracket includes horizontally disposed connecting plate, and the lower surface of connecting plate is fixedly connected with opposite set
The two connection lugs set；Attachment base is removably attachable on the upper surface of connecting plate；Two connection lug fixations are arranged in
It surveys in the outer circle for turning round axis.
Further, support stand includes the pedestal being fixedly attached on work top, and the upper surface of pedestal is equipped with phase
To two supports of setting；One end rotating support for turning round axis is surveyed on a support, the end that another opposite end of axis is turned round in survey is solid
Surely it is connected with twist counter, twist counter is fixedly connected on another support.
Further, surveying and turning round component further includes that two bearing spiders for turning round axis are surveyed for rotating support, two bearing spiders
It is fixedly attached on pedestal and is located between two connection lugs.
Further, surveying and turning round component further includes for supporting with connecting plate to be limited to the rotational angle for surveying torsion axis
Limited block, limited block, which is installed in, to be surveyed in the outer circle for turning round axis and is located between two bearing spiders.
The invention has the following advantages:
In the outer power measurement arrangement of engine of the invention, the mounting bracket for installing stationary engine is located above, and is used
It is connected to the lower section of mounting bracket in the survey torsion system of the output torque of measurement engine, mounting bracket and survey torsion system are space
Arrangement up and down, this kind of arrangement make the engine of either pusher engine or drawing-in type, work as engine charge
When, will not the air inlet of engine be had an impact by surveying torsion system, without designing inclination and the longer air inlet of length upwards
Road, so there is no need to the front ends in air intake duct to add the support frame for supporting air intake duct, therefore there is no the fixed difficulties of support frame installation
The technical issues of, and the outer measurement of power apparatus structure of engine of the invention is simple；In the present invention, it is solid that mounting bracket is applied not only to installation
Determine engine, also make it is fixed after engine air intake duct and output shaft on same level straight line, and when air intake duct is installed
Torsion system is surveyed without needing guiding through, so that the installation for greatly simplifying air intake duct is fixed, manpower and material resources cost is reduced, simultaneously because starting
The air intake duct and output shaft of machine are on the same line and horizontal, so that the air inlet of engine is more smooth.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic view of the front view of existing reel cage formula platform system；
Fig. 2 is the front view structure signal that engine is installed on the outer power measurement arrangement of engine of the preferred embodiment of the present invention
Figure；
Fig. 3 is the schematic view of the front view of mounting bracket in Fig. 2；
Fig. 4 is the overlooking structure diagram of Fig. 3；
Fig. 5 is the structural schematic diagram of support frame in Fig. 3；
Fig. 6 is the broken section structural schematic diagram that torsion system is surveyed in Fig. 2；
Fig. 7 is the structural schematic diagram of Fig. 6 alignment part.
Marginal data
1, reel cage；11, mounting rack；12, reel cage, which is surveyed, turns round axis；2, bracket；3, air intake duct；20, engine；30, mounting bracket；
31, support frame；32, attachment base；321, triangle frame；322, connecting rod；33, strut；40, it surveys and turns round component；41, it surveys and turns round axis；42, it surveys and turns round
Device；43, bearing spider；44, limited block；45, calibration component；451, lever；452, standard test weight；50, force transfer bracket；51, it connects
Plate；52, lug is connected；60, support stand；61, pedestal；62, support；70, shock absorber part.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Referring to Fig. 2, the preferred embodiment of the present invention provides a kind of outer power measurement arrangement of engine, for measuring engine 20
Output torque, the outer power measurement arrangement of engine include: for install stationary engine 20 and make it is fixed after engine 20 into
Air flue and output shaft are located at the mounting bracket 30 on same level straight line, and the lower section of mounting bracket 30 is equipped with for measuring engine
System is turned round in the survey of 20 output torque, and surveying torsion system includes: that the turning moment measurement generated when being worked according to engine 20 is set out
Component 40 is turned round in the survey of the output torque size of motivation 20, is surveyed and is turned round component 40 and be connected with for by the turning moment in mounting bracket 30
It is transferred to the force transfer bracket 50 surveyed and turned round on component 40, force transfer bracket 50 is connected with the bottom end of mounting bracket 30.Of the invention starts
In the outer power measurement arrangement of machine, the mounting bracket 30 for installing stationary engine 20 is located above, and is used to measure engine 20
The survey torsion system of output torque is connected to the lower section of mounting bracket 30, mounting bracket 30 and survey torsion system and arranges to be spatially lower,
This kind of arrangement makes the engine of either pusher engine or drawing-in type, when engine charge, survey and turn round system
System will not have an impact the air inlet of engine, without designing inclination and the longer air intake duct of length upwards, so there is no need to
The support frame for supporting air intake duct is added in the front end of air intake duct, therefore there is no the fixed difficult technologies of support frame installation to ask
Topic, and the outer measurement of power apparatus structure of engine of the invention is simple；In the present invention, mounting bracket 30 is applied not only to installation fixation and starts
Machine 20, also make it is fixed after engine 20 air intake duct and output shaft on same level straight line, and when air intake duct is installed without
It needs guiding through and surveys torsion system, so that the installation for greatly simplifying air intake duct is fixed, manpower and material resources cost is reduced, simultaneously because engine
20 air intake duct and output shaft is on the same line and horizontal, so that the air inlet of engine 20 is more smooth.
Optionally, as shown in fig. 6, surveying torsion system further includes surveying the support stand 60 of torsion component 40 for installing bearing, branch
Support rack 60 is fixedly attached on work top.Surveying and turning round component 40 includes being horizontally disposed with and reversing under the action of turning moment
It surveys and turns round axis 41, force transfer bracket 50 is fixedly connected on survey and turns round on axis 41, survey one end rotating support for turning round axis 41 on support stand 60,
The end for surveying the other end of torsion axis 41 being oppositely arranged is fixedly connected with the with good grounds torsion angle for surveying torsion axis 41 and measures torsion axis 41
The twist counter 42 of torque value, twist counter 42 are fixedly connected on support stand 60.When measurement, the work of engine 20, which generates, to be applied to
Turning moment in mounting bracket 30, the turning moment are transferred to survey by the force transfer bracket 50 being connected with mounting bracket 30 again and turn round
On axis 41, survey is turned round axis 41 and is reversed under the action of the turning moment, and the torque that torsion axis 41 is surveyed in the perception of twist counter 42 is simultaneously turned round according to survey
The torsion angle of axis 41 obtains the torque value surveyed and turn round axis 41, and the output torque of the torque value, that is, engine 20 is according to correlation formula
The output power of engine 20 can be calculated.In the embodiment of the present invention, twist counter 42 is torque sensor.
Optionally, as shown in figure 3, mounting bracket 30 includes the support frame 31 for horizontal stationary engine 20, support frame 31 connects
It is connected to the attachment base 32 being connected with force transfer bracket 50, the output shaft and air intake duct level for the engine 20 being fixed in support frame 31 are worn
On attachment base 32.
Preferably, as shown in figure 3, mounting bracket 30 further includes being set between attachment base 32 and support frame 31 so that support frame 31
With the rigidly connected more struts 33 of attachment base 32.One end of each strut 33 is fixedly connected with support frame 31, each strut 33 it is another
Opposite end and attachment base 32 are hinged.In this preferred embodiment, although one end of each strut 33 is fixedly connected with support frame 31, each strut
33 other end and attachment base 32 is hinged, but rigid by the more achievable support frames 31 of the mutual cooperation setting of struts 33 and attachment base 32
Property connection.
In the embodiment of the present invention, as shown in figure 5, support frame 31 is framed, 20 level of engine is arranged in support frame 31, and
Engine 20 is fixedly connected by multiple installation section (not shown) in its support case (not shown) with support frame 31.Preferably,
The shock absorber part 70 for damping is additionally provided between each installation section and support frame 31, shock absorber part 70 is commonly to play cushioning effect in the market
Damping packet.
In the embodiment of the present invention, as shown in Figure 3 and Figure 4, attachment base 32 includes two and opposite is arranged in parallel and rectangular three
The triangle frame 321 of horn shape is respectively provided with the connecting rod 322 for both connecting between three apex angles of two triangle frames 321.Each strut
33 another opposite end is articulated with attachment base 32 towards on the wall surface of support frame 31.
Optionally, as shown in fig. 6, force transfer bracket 50 includes horizontally disposed connecting plate 51, the lower surface of connecting plate 51 is solid
Surely two connection lugs 52 being oppositely arranged are connected with.Attachment base 32 is removably attachable on the upper surface of connecting plate 51.Two
A connection lug 52 is fixed to be arranged in the outer circle surveyed and turn round axis 41.In the present invention, due to 32 company of being removably attachable to of attachment base
On the upper surface of fishplate bar 51, therefore drawing-in type can be realized and start by direction of the mounting bracket 30 with respect to connecting plate 51 of turning round
The installation of machine or pusher engine is fixed, to realize that a device can test the function of two kinds of different type engines.
Optionally, as shown in fig. 6, support stand 60 includes the pedestal 61 being fixedly attached on work top, pedestal 61
Upper surface is equipped with two supports 62 being oppositely arranged.One end rotating support for turning round axis 41 is surveyed on a support 62, surveys and turns round axis
The end of 41 another opposite end is fixedly connected with twist counter 42, and twist counter 42 is fixedly connected on another support 62.
Preferably, as shown in fig. 6, surveying torsion component 40 further includes surveying two bearing spiders for turning round axis 41 for rotating support
43, two bearing spiders 43 are fixedly attached on pedestal 61 and are located between two connection lugs 52.
Preferably, as shown in fig. 6, surveying torsion component 40 further includes for supporting with connecting plate 51 with the rotation to torsion axis 41 is surveyed
The limited block 44 that angle is limited, limited block 44 be installed in survey in the outer circle for turning round axis 41 and be located at two bearing spiders 43 it
Between.In the embodiment of the present invention, limited block 44 is square block, when surveying the improper torsion of torsion axis 41 keeps windup-degree larger, is passed through
Limited block 44 is supported with 51 lower surface of connecting plate, to limit to the torsion for turning round axis 41 is surveyed, is prevented survey from turning round axis 41 and is twisted off
Safety accident occurs.
Preferably, as shown in fig. 7, surveying torsion component 40 further includes the calibration component 45 for being calibrated to twist counter 42, school
Quasi- part 45 is connected on limited block 44.In the embodiment of the present invention, calibration component 45 includes lever 451 and standard test weight 452；Lever
The 451 vertical axis horizontal settings for surveying torsion axis 41, and one end of lever 451 is fixedly connected with limited block 44；Lever 451 it is another
Opposite end suspension is connected with standard test weight 452.It, need to be right before measurement starts for the precision for ensuring the measurement of twist counter 42 when measurement
Twist counter 42 is calibrated, by the reading of standard test weight 452 and lever 451 you can learn that surveying the input torque for turning round axis 41, then
The measurement torque that twist counter 42 measures is compared with the input torque, such as measuring both torque and input torque difference is allowing model
In enclosing, then the precision of twist counter 42 meets the requirements, and difference both such as is beyond difference range is allowed, then the precision of twist counter 42 is not
It meets the requirements, at this moment needs through amendment twist counter 42 so that its precision reaches requirement.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of outer power measurement arrangement of engine, which is characterized in that for measuring the output torque of engine (20), the engine
Outer power measurement arrangement includes:
It is same for installing stationary engine (20) and being located at the air intake duct of the engine (20) after fixing and output shaft
The lower section of mounting bracket (30) on horizontal linear, the mounting bracket (30) is equipped with for measuring the defeated of the engine (20)
System is turned round in the survey of torque out, and the survey torsion system includes:
The turning moment generated when being worked according to the engine (20) measures the output torque size of the engine (20)
Survey turn round component (40), it is described survey turn round component (40) be connected with for by the mounting bracket (30) the turning moment pass
It is handed to the force transfer bracket (50) surveyed and turned round on component (40), the bottom end of the force transfer bracket (50) and the mounting bracket (30)
It is connected；
The torsion system of surveying further includes supporting the support stand (60) for surveying torsion component (40), the support stand for installing
(60) it is fixedly attached on work top；It includes horizontally disposed and under the action of the turning moment that component (40) are turned round in the survey
Axis (41) are turned round in the survey of torsion, and the force transfer bracket (50) is fixedly connected on the survey and turns round on axis (41), and described survey turns round axis (41)
For one end rotating support on the support stand (60), company is fixed in the end of the other end being oppositely arranged for surveying torsion axis (41)
It is connected to the twist counter (42) that the torque value for surveying torsion axis (41) is measured according to the torsion angle for surveying torsion axis (41), the survey is turned round
Device (42) is fixedly connected on the support stand (60).
2. the outer power measurement arrangement of engine according to claim 1, which is characterized in that
The mounting bracket (30) includes the support frame (31) for the horizontal fixed engine (20), support frame (31) connection
There is the attachment base (32) being connected with the force transfer bracket (50), is fixed on the institute of the engine (20) on the support frame (31)
It states output shaft and the air intake duct level is arranged on the attachment base (32).
3. the outer power measurement arrangement of engine according to claim 2, which is characterized in that
The mounting bracket (30) further includes being set between the attachment base (32) and the support frame (31) so that the support frame
(31) with the attachment base (32) rigidly connected more struts (33)；
One end of each strut (33) is fixedly connected with the support frame (31), another opposite end of each strut (33) and institute
It is hinged to state attachment base (32).
4. the outer power measurement arrangement of engine according to claim 2, which is characterized in that
The support frame (31) is framed, and engine (20) level is arranged in the support frame (31), and the engine
(20) it is fixedly connected by multiple installation sections on its support case with the support frame (31).
5. the outer power measurement arrangement of engine according to claim 3, which is characterized in that
The attachment base (32) include two it is opposite be arranged in parallel and the rectangular triangle frame (321) of triangular shape, two described three
The connecting rod (322) for connecting the two is respectively provided between three apex angles of angle frame (321)；
Another opposite end of each strut (33) is articulated with wall surface of the attachment base (32) towards the support frame (31)
On.
6. the outer power measurement arrangement of engine according to claim 2, which is characterized in that
The force transfer bracket (50) includes horizontally disposed connecting plate (51), and the lower surface of the connecting plate (51) is fixedly connected with
Two connection lugs (52) being oppositely arranged；
The attachment base (32) is removably attachable on the upper surface of the connecting plate (51)；
Two connections lug (52) are fixed to be arranged in the outer circle surveyed and turn round axis (41).
7. the outer power measurement arrangement of engine according to claim 6, which is characterized in that
The support stand (60) includes the pedestal (61) being fixedly attached on the work top, the upper table of the pedestal (61)
Face is equipped with two supports (62) being oppositely arranged；
For one end rotating support for turning round axis (41) of surveying on a support (62), described survey turns round the another opposite of axis (41)
The end at end is fixedly connected with the twist counter (42), and the twist counter (42) is fixedly connected on another support (62).
8. the outer power measurement arrangement of engine according to claim 7, which is characterized in that
It is described survey turn round component (40) further include for survey described in rotating support turn round axis (41) two bearing spiders (43), for
The connecting plate (51) is supported to survey the limited block (44) turning round the rotational angle of axis (41) and being limited to described；
Two bearing spiders (43) be fixedly attached on the pedestal (61) and be located at two connection lugs (52) it
Between；
The limited block (44) is installed in described survey in the outer circle for turning round axis (41) and between two bearing spiders (43).
9. the outer power measurement arrangement of engine according to claim 8, which is characterized in that
It further includes the calibration component (45) for being calibrated to the twist counter (42), the calibration component that component (40) are turned round in the survey
It (45) include lever (451) and standard test weight (452)；
The lever (451) it is vertical it is described survey the axis horizontal setting for turning round axis (41), and one end of the lever (451) with it is described
Limited block (44) is fixedly connected；
Another opposite end suspension of the lever (451) is connected with the standard test weight (452).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507278.1A CN107167274B (en) | 2017-06-28 | 2017-06-28 | The outer power measurement arrangement of engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710507278.1A CN107167274B (en) | 2017-06-28 | 2017-06-28 | The outer power measurement arrangement of engine |
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| Publication Number | Publication Date |
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| CN107167274A CN107167274A (en) | 2017-09-15 |
| CN107167274B true CN107167274B (en) | 2019-10-11 |
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| CN201710507278.1A Active CN107167274B (en) | 2017-06-28 | 2017-06-28 | The outer power measurement arrangement of engine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740067A (en) * | 2021-09-06 | 2021-12-03 | 中国航发贵阳发动机设计研究所 | Aeroengine starting torque measuring device |
| CN115371882B (en) * | 2022-10-24 | 2023-03-24 | 中国航发四川燃气涡轮研究院 | Calibration mechanism for torque measuring device of high-power/high-rotating-speed transmission system |
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|---|---|---|---|---|
| CN201909692U (en) * | 2010-11-05 | 2011-07-27 | 北京航天时空科技有限公司 | Wireless self-calibration indicator diagram instrument for oil pumping unit in oilwell |
| CN103994891A (en) * | 2014-05-13 | 2014-08-20 | 安徽农业大学 | Torque and power detection device for aerodynamic engine |
| EP2772742A1 (en) * | 2013-02-27 | 2014-09-03 | Siemens Aktiengesellschaft | Power determination method and turbo engine |
| CN104483053A (en) * | 2014-12-25 | 2015-04-01 | 深圳市博尔创意文化发展有限公司 | Torque measuring device of small engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7735359B2 (en) * | 2005-01-11 | 2010-06-15 | The Tokyo Electric Power Company, Incorporated | Process quantity measurement method and apparatus of engine output |
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- 2017-06-28 CN CN201710507278.1A patent/CN107167274B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201909692U (en) * | 2010-11-05 | 2011-07-27 | 北京航天时空科技有限公司 | Wireless self-calibration indicator diagram instrument for oil pumping unit in oilwell |
| EP2772742A1 (en) * | 2013-02-27 | 2014-09-03 | Siemens Aktiengesellschaft | Power determination method and turbo engine |
| CN103994891A (en) * | 2014-05-13 | 2014-08-20 | 安徽农业大学 | Torque and power detection device for aerodynamic engine |
| CN104483053A (en) * | 2014-12-25 | 2015-04-01 | 深圳市博尔创意文化发展有限公司 | Torque measuring device of small engine |
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| CN107167274A (en) | 2017-09-15 |
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